667441630450 has 48 divisors (see below), whose sum is σ = 1421128041984. Its totient is φ = 228460060800.

The previous prime is 667441630423. The next prime is 667441630463. The reversal of 667441630450 is 54036144766.

It is a self number, because there is not a number n which added to its sum of digits gives 667441630450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1358371 + ... + 1783270.

It is an arithmetic number, because the mean of its divisors is an integer number (29606834208).

Almost surely, 2^667441630450 is an apocalyptic number.

667441630450 is an abundant number, since it is smaller than the sum of its proper divisors (753686411534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667441630450 is a wasteful number, since it uses less digits than its factorization.

667441630450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142267 (or 3142262 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 667441630450 in words is "six hundred sixty-seven billion, four hundred forty-one million, six hundred thirty thousand, four hundred fifty".